Home / 632,368,407.36-948,876,878.16-305,123,005.20

Finding the Fourth Proportional to 632,368,407.36, 948,876,878.16 and 305,123,005.20

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Solution

The fourth proportional to 632,368,407.36, 948,876,878.16 and 305,123,005.20 is: 457,840,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,368,407.36 : 948,876,878.16 = 305,123,005.20 : x
  2. Step 2: Convert to fraction form
    632,368,407.36/948,876,878.16 = 305,123,005.20/x
  3. Step 3: Cross multiply
    632,368,407.36x = 948,876,878.16 × 305,123,005.20
  4. Step 4: Simplify right side
    632,368,407.36x = 289,524,164,628,973,440
  5. Step 5: Solve for x
    x = 289,524,164,628,973,440/632,368,407.36
  6. Step 6: Final answer
    x = 457,840,969.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.